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    Chapter

    Transforming Growth Factors Produced by Viral-Transformed and Human Tumor Cells

    The isolation of retroviruses with acute transforming function has occurred with increasing frequency over the past few years. Such viruses represent genetic recombinants between host cellular sequences (oncog...

    George J. Todaro, Hans Marquardt, Daniel R. Twardzik in Biological Responses in Cancer (1984)